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(2018 DW1)
Classification: Apollo [NEO]          SPK-ID: 3799745
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2458175.5 (2018-Feb-26.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5608118223749162 0.0010534  
a 2.009800839880902 0.0044725 au
q .8826807682566559 0.00015295 au
i 1.082560683944135 0.0014573 deg
node 351.5861165011849 0.0042864 deg
peri 215.5965367603671 0.002659 deg
M 347.1795085606271 0.04703 deg
tp 2458212.562109444211
(2018-Apr-04.06210944)
0.012247 TDB
period 1040.705768808544
2.85
3.4739
0.009511
d
yr
n .3459190972028026 0.0011547 deg/d
Q 3.136920911505147 0.0069807 au
  Orbit Determination Parameters
   # obs. used (total)      39  
   data-arc span      2 days  
   first obs. used      2018-02-25  
   last obs. used      2018-02-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .49207  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 20:23:29  

Additional Information
 Earth MOID = .00335589 au 
 Jupiter MOID = 1.83 au 
 T_jup = 3.618 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 26.8   n/a E2018E06  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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